num = [12,34,"cali",45.6,-20]
num2 = [1,3,8,234,16,-20]
num3 = [456,123]
num2.sort(reverse=False)
print(num2)
num2.sort(reverse=True)
print(num2)

num.reverse()
print(num)
num2.extend(num3)
print(num2)
print(max(num2))
name = "feng"


print(num[2][0].isupper())

